Permin linen on this page is evenweave fabric with the same thread count each way, commonly worked over two threads for cross stitch or over one for finer detail, sold in 28 count shades.
Current listings centre on Permin 28 count linen in shades such as Undyed, China Pearl and Blue, including metre lengths.
Evenweave linen has matching horizontal and vertical thread counts, so you can stitch over two threads for standard cross stitch or over one thread for a finer finish.
